Bedew, Waad Ghanim. “The Effect of Cognitive Modeling on Acquiring Fourth-Graders of Science With Chemical Concepts and Developing Their Scientific Exploration”. Journal of Tikrit University for Humanities 27, no. 12 (December 22, 2020): 422–437. Accessed August 18, 2026. https://jtuh.org/index.php/jtuh/article/view/445.